CVE-2026-8318 VectifyAI PageIndex PDF Table of Contents page_index.py toc_transformer infinite loop
Remote attackers can cause a denial of service via an infinite loop in the PDF table of contents handler of the PageIndex library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8318?
CVE-2026-8318 is a medium-severity denial of service vulnerability in VectifyAI PageIndex, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw has been discovered in VectifyAI PageIndex up to f50e52975313c6716c02b20a119577a1929decba. Affected by this vulnerability is the function toc_transformer of the file pageindex/page_index.py of the component PDF Table of Contents Handler. The manipulation results in infinite loop. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.
Which versions are affected by CVE-2026-8318?
How do I fix CVE-2026-8318?
No fix has been published for CVE-2026-8318 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-8318 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8318 exists.
Sources
Also known as GHSA-fp52-pxf6-37vh.